Talos Security DR800 Series DVR User Manual - Manual (Page 77)

H.264 Network DVR
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Figure 8-19
8.6 Other Operations
8.6.1 PTZ and Preset Control
Figure 8-20
The direction buttons control a PTZ camera. The respective arrows control direction; up, down, right, left. Click the center button to set camera preset
points and adjust the camera.
8.6.2 Lens Control
Figure 8-21
"+ Focus -" Controls the focus ring of the camera.
"+ Auxiliary -" May be assigned to a needed function on the camera.
"+ Zoom -" Adjust the focal length of the lens. Zoom in – more detail less field of view. Zoom out – more field of view less detail.
"+ Iris -" Open the aperature in lower light conditions or close the aperature in bright light conditions.